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About – Ocean Zendo

About Ocean Zendo

Bernard Tetsugen Glassman 
(aka "Bernie Roshi")
and Peter Matthiessen

Bernard Tetsugen Glassman
and Peter Matthiessen, Isshin Muryo Roshi

Muryo Roshi

Peter Matthiessen, Isshin Muryo Roshi, started the Ocean Zendo in Sagaponack, NY, in the 1980's. For almost 30 years, the Zendo was in a small horse stable located on his property.

Roshi began Zen practice in 1970, with Soen Nakagawa Roshi.

In 1976, he met Bernard Tetsugen Glassman (aka " Bernie Roshi"), and began studying with him shortly thereafter.
He was Bernie's first Dharma successor, and became a Roshi himself in 1997.

Bernie’s practice and teachings as founder of the Zen Peacemaker Order (https://zenpeacemakers.org) had a profound effect on Muryo Roshi’s life as a Zen Master. He was deeply drawn to the practice of bearing witness, going to Auschwitz three times, and doing street retreats. He deeply embraced the guidance of the Three Tenets of the Zen Peacemakers:

• Not-knowing- giving up fixed ideas about ourselves and the universe

• Bearing witness to the joy and suffering of the world

• Taking Actions that arise from Not-Knowing and Bearing Witness

After Roshi's passing in 2014, our sangha moved a few miles inland to share space with the others in the local Unitarian Universalist Meeting House where we meet three times weekly and continue our study and practice of Zen.

Our Teachers



Dai-en’s spiritual journey began in the 60s when she was forced to seek help for a back injury. This event proved to be a wonderful preparation for her eventual immersion 20 years later in Buddhist Vipassana practice at Insight Meditation Center. After she established her Vipassana practice, she then began her journey into Zen practice. Her teachers include Peter Mathiessen, Joseph Goldstein, Matt Flickstein, and Maureen Stuart Roshi. In addition to being a Sensei at Ocean Zendo, she also teaches at retreats for NYZCCC with Chodo Campbell and Koshin Paley Ellison.

Michel Engu Dobbs


Engu is a Zen priest and Dharma heir of Peter Muryo Matthiessen Roshi and a co-teacher at the Ocean Zendo. He has alleged connections with Roshi Bernie Glassman’s Order of Disorder and has taught meditation to incarcerated minors at the Suffolk County Correctional Facility in Riverhead since 2012.

A husband and father of three, Engu has been a baker and bakery manager for over thirty years. He began practicing Zen with the NYC sangha of the late Kyudo Nakagawa Roshi in 1992 and began study with Muryo Roshi in 1994. He was ordained in 2001 and received Dharma transmission in 2005.

Dennis Ryugin Snyder


Ryugin has been a student of Zen for over 30 years and is a founding member of the Ocean Zendo community. His main focus has been to serve and support the sangha and to keep the flame of practice burning that was started by our teacher Isshin Muyro Roshi here on the East End of Long Island. He has total commitment to the practice of Not Knowing, Bearing Witness and Appropriate Action, the oneness of life, the diversity of life and the interdependence of Buddha Dharma. As Master Dogen said, “We must study that in the entire universe there are myriad forms and hundreds of blades of grass, and that each of these forms and each blade of grass are ,one by one, the entire universe. With this lively view our practice begins...”

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